public class Circle {
    public static void main(String[] args) {
        // 给定圆的半径和圆周率
        double radius = 1.5;
        final double PI = 3.1415;

        // 计算圆的周长和面积
        double circumference = 2 * PI * radius;
        double area = PI * radius * radius;

        // 打印输出周长和面积
        System.out.println("圆的周长为: " + circumference);
        System.out.println("圆的面积为: " + area);
    }
}
